5.3.4 Birdcage Scaffold.
1) Birdcage scaffolds are normally used for work in large buildings to provide access o ceilings walls or softies for light work e.g. painting, plastering and decorating. They have a single working platform.
2) Birdcage scaffolds are constructed in a grid pattern using standards arranged at regular intervals in parallel lines.
3) The standards will be laced together with a grid of ledgers and transoms fixed by right angle couplers at every lift. The transoms in the top working lift may be secured with prolog clips.
4) The first lift will be secured at a maximum height of 2.5 meters in each direction. Subsequent lifts will to exceed 2 meters vertical height